Alert archive / North Carolina / Special Weather Statements in 2011

Special Weather Statement, NWS Greenville-Spartanburg, SC

August 4, 2011Transylvania County, North Carolina

NWS Greenville-Spartanburg, SC issued this special weather statement at Aug 4, 2011, 2:36 PM EDT for Transylvania County, North Carolina. It was in force for 39 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 4, 2011, 2:36 PM EDT (18:36 UTC)
Expired: Aug 4, 2011, 3:15 PM EDT
In force: 39 min
Issued by: NWS Greenville-Spartanburg, SC

County Transylvania County, NC

The radar

The Greer radar (KGSP), 58 km from the middle of the area, began a volume at 18:37 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 6.6 hours before the alert went out and 262 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1024 J/kg
Mixed-layer CIN: -247 J/kg
Mixed-layer LCL: 1334 m above ground
0-6 km bulk shear: 4 kt
0-1 km storm-relative helicity: -7 m²/s²
0-3 km storm-relative helicity: 34 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Greenville-Spartanburg, SC wrote its last area forecast discussion before this special weather statement went out at Aug 4, 2:31 PM EDT, 5 minutes earlier.

Area forecast discussion, Aug 4, 2:31 PM EDT, 5 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Hazardous weather outlook, Aug 4, 11:01 AM EDT, 3 hours 35 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

In the hours before

Special weather statement, Aug 4, 12:35 PM EDT, 2 hours 1 minute before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1235 PM EDT THU AUG 4 2011

GAZ029-SCZ011-041715-
ABBEVILLE-ELBERT-
1235 PM EDT THU AUG 4 2011

...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN ELBERT AND
SOUTHWESTERN ABBEVILLE COUNTIES THROUGH 115 PM EDT...

AT 1235 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 5 MILES SOUTHWEST OF CALHOUN FALLS...OR 12 MILES
EAST OF ELBERTON...MOVING SOUTHEAST AT 15 MPH.

THIS STORM WILL BE NEAR...
  CALHOUN FALLS...

PEA SIZE HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS
STORM.

LAT...LON 3397 8260 3397 8264 3398 8266 3398 8273
      3402 8279 3417 8268 3406 8240 3406 8246
      3407 8248 3407 8253 3401 8259 3396 8256

HG

Special weather statement, Aug 4, 2:36 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
236 PM EDT THU AUG 4 2011

NCZ064-041915-
TRANSYLVANIA-
236 PM EDT THU AUG 4 2011

...A STRONG THUNDERSTORM WILL AFFECT TRANSYLVANIA COUNTY THROUGH 315
PM EDT...

AT 235 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 4 MILES NORTHWEST OF BREVARD...MOVING SOUTHEAST
AT 5 MPH.

THIS STORM WILL BE NEAR...
  BREVARD...

PEA SIZE HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS
STORM. HEAVY RAINS MAY ALSO FLOOD LOW LYING AREAS SUCH AS DITCHES
AND UNDERPASSES.

LAT...LON 3530 8262 3515 8259 3512 8263 3513 8265
      3512 8267 3513 8268 3510 8269 3509 8273
      3525 8293 3531 8288 3532 8282 3539 8278

HG

The office that day

Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 4, 12:00 AM EDT	Severe Thunderstorm Warning	GSP	Graham, Swain	45 min
Aug 4, 12:35 AM EDT	Severe Thunderstorm Warning	GSP	Graham, Jackson, Macon, Swain	27 min
Aug 4, 3:30 PM EDT	Special Weather Statement	GSP	Transylvania	30 min
Aug 4, 12:35 PM EDT	Special Weather Statement	GSP	Abbeville	40 min
Aug 4, 3:11 PM EDT	Special Weather Statement	GSP	Spartanburg	34 min
Aug 4, 4:06 PM EDT	Special Weather Statement	GSP	Greenville	39 min
Aug 4, 4:48 PM EDT	Special Weather Statement	GSP	Greenville, Spartanburg	42 min
Aug 4, 5:50 PM EDT	Special Weather Statement	GSP	Oconee	25 min
Aug 4, 6:10 PM EDT	Special Weather Statement	GSP	Anderson	50 min
Aug 4, 6:11 PM EDT	Severe Thunderstorm Warning	GSP	Abbeville, Anderson	51 min
Aug 4, 6:35 PM EDT	Severe Thunderstorm Warning	GSP	Anderson	23 min
Aug 4, 7:24 PM EDT	Severe Thunderstorm Warning	GSP	Abbeville, Anderson	40 min
Aug 4, 5:04 PM EDT	Special Weather Statement	GSP	Elbert	26 min
Aug 4, 7:22 PM EDT	Special Weather Statement	GSP	Elbert, Hart	38 min

Nearby

Special Weather Statements in North Carolina, 2011 Every special weather statement in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.